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precision heavy duty extension springs made for precondition for blood pressure device tester YUAN SINE SPRING

precision heavy duty extension springs made for precondition for blood pressure device tester YUAN SINE SPRING

Precision heavy duty extension springs made for precondition for blood pressure device tester YUAN SINE SPRING

Stainless steel:
stainless steel
Mean coil diameter:
4.4 mm
Total number of coils(Nt):
Free length(F.L.):
90 mm
Free angle:
Surface treatment:
High-temperature heat treatment:
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Enterprise Strength
  • Excellent staff is the core part of a company. Nowadays, we have people staffed in several departments including design, R&D with excellent technicians and senior experts in the hardware industry, production, and after-sales department.
  • With a comprehensive management service system, YUAN SINE SPRING is capable of providing customers with one-stop and professional services.
  • YUAN SINE SPRING is always customer-oriented and devoted to offering the best products and service for each customer in an efficient manner.
  • Since established, we have spent years of efforts in the development and production of the hardware. So far, we have mature craftsmanship and experienced workers to help us achieve a highly efficient and reliable business cycle
  • Our global manufacturing and sales network have spread to and other overseas countries. Inspired by the high marks by the customers, we are expected to expand our sales channels and provide more considerate service.
Company Advantages
1. YUAN SINE SPRING precision extension springs is strictly inspected during production. Defects have been carefully checked for burrs, cracks, and edges on its surface.
2. This product features precise workmanship such as dimension. It is processed by imported CNC machines which have flexible adaptability to different mold types.
3. The product has good deformation resistance. It has been treated with the cold stamping process at room temperature to improve its cracking proof capacity.
4. It breaks through the traditional architectural structure type. By relying on modeling and colorology, it can construct curves and various shapes that are difficult to achieve in traditional buildings.
5. The design and process ensure that the product is durable, new and beautiful. It is soft, very durable and naturally antibacterial.

precision heavy duty extension springs made for precondition for blood pressure device tester YUAN SINE SPRING-1
Tension Springs

Tension spring is a helical spring subjected to axial tension. There are different kinds of hooks. English hook, German hook, long hook, semicircle hook, duck bead hook and so on.  The “hook” is used to guarantee the source of tension of stretching spring. The gap for the ring and the ring must be tight and exact. These points must be identified. It is used to control the movement of machine parts , store energy, measure the size of the force and so on. Some of tension spring are made for precondition for safety.  That’s what we value and strict on quality control.  We must give more consideration to service this.

Product Parameter

Communication industries(2-ways tension spring for router)

Stainless steelstainless steel
Wire diameter0.3 mm
Outside of diameter4.4 mm
Inside of diameter4.4 mm
Mean coil diameter4.4 mm
Active coil number55
Total number of coils(Nt)55
Free length(F.L.)25 mm
Free angleok
Working angelok
Right hand screwok
Closed and ground ok
Surface treatmentok
High-temperature heat treatmentok


Communication equipment industries

precision heavy duty extension springs made for precondition for blood pressure device tester YUAN SINE SPRING-2

2-ways tension spring for communcation router

Company Features
1. YUAN SINE SPRING ENTERPRISE CO., LTD is famous for its solid excellent foundation.
2. YUAN SINE SPRING ENTERPRISE CO., LTD is proud of its technology strength.
3. YUAN SINE SPRING ENTERPRISE CO., LTD is responsible and very concerned about the needs of customers. Welcome to visit our factory! We are widely acclaimed for the professional services for heavy duty extension springs . Welcome to visit our factory! The high quality extension springs uk from YUAN SINE SPRING will never let you down. Welcome to visit our factory! YUAN SINE SPRING ENTERPRISE CO., LTD strives to be a stable small extension springs global market supplier.
YUAN SINE SPRING heavy duty extension springs is expert-crafted in a broad range of styles and finishes to handle today's toughest demands. The product is reliable and easy to use
After years of R&D efforts, YUAN SINE SPRING small extension springs is given a more useful and aesthetic design. Made of ABS materials and polypropylene, the product is resistant to shock
heavy duty extension springs are offered backed by our rich industry expertise in this field. The product plays an integral role in protecting valuables
YUAN SINE SPRING extension springs uk has been greatly paid attention from the beginning of the development stage. It is well-developed by the professional R&D team with deep consideration.
precision extension springs is unusual in design and appropriate in size. The product is easy to install without any special tools required
precision extension springs have such characteristics as precision extension springs, thus has good prospections. The product is highly resistant to UV
precision extension springs with precision extension springs fully convey the concept of precision extension springs. The product can be easily mounted within seconds
We can guarantee quality for our precision extension springs. Adopting a thermal printing technology, the product features high contrast barcodes
extension springs uk has superiority of small extension springs. The operating temperature of this product ranges from -40°c to 110°c
The benefits of extension springs uk will be seen in extension springs uk. The product has been used to prevent break-ins
This product looks good and feels even better. When people wearing this product, it will not cause itching, irritation, stiffness, or clinging. The product plays an integral role in protecting valuables
There is no doubt that what we wear and how we look certainly has a big impact on our level of confidence. This product can greatly enhance people's self-confidence. The product is highly resistant to UV
Thanks to its abrasion resistance property, this product allows people to wear and wash it many times without any pilling problems. The product is available in various diameters to suit a variety of breaking strength requirements
The product will not fade even it is dipped into the water for a long time. This will be great news for people who have no time to do the laundry. Its marking is laser engraved and cannot be easily removed
Choosing this product could be a very positive lifestyle change. Being able to make the wearer more attractive to others, it helps build self-confidence in life. The product allows users to see visually if an object has been compromised
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